private void Window_Loaded(object sender, RoutedEventArgs e) { ex = new ExaminationEntities1(); CoursesTopicsList.ItemsSource = ex.topicsPerCourse(); if (_insIDl != 0) { Course_Topics.ItemsSource = ex.CoursesByInstructor(_insIDl).Select(p => new { p.crs_Id, crs_Name = p.crs_name }); var InsName = ex.selectFromInstructor(_insIDl).FirstOrDefault(); string instName = $"{InsName.ins_FName} {InsName.ins_LName}"; this.fullName.Text += instName; } if (_studentId != 0) { Course_Topics.ItemsSource = ex.courseList(_studentId); var stdName = ex.selectStudents().Where(s => s.std_Id == _studentId).FirstOrDefault(); string studName = $"{stdName.std_FName} {stdName.std_LName}"; this.fullName.Text += studName; } }
private void GetCOurseNameAndAshow(object sender, RoutedEventArgs e) { string courseName = this.Course_Topics.Text; CoursesTopicsList.ItemsSource = ex.topicsPerCourse().Where(p => p.crs_name == courseName); }